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DR. WILLIAM S LENIHAN III DDS
NPI 1043227341
Dentist - General Practice in Oak Ridge, TN

Active since August 01, 2006PECOS Enrolled
400 LABORATORY RD, SUITE 104, OAK RIDGE, TN 37830(865) 482-1731 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William S Lenihan Iii Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM S LENIHAN III DDS (NPI 1043227341) is an individual general practice provider in Oak Ridge, Tennessee, licensed in Tennessee (DS 003154) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043227341
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. WILLIAM S LENIHAN IIICredential: DDS
Location Address400 LABORATORY RD, SUITE 104Oak Ridge, TN 37830-6810
Mailing Address400 Laboratory Rd, Suite 104Oak Ridge, TN 37830-6810 · (865) 482-1731
Phone(865) 482-1731
Sole ProprietorYes
Enumeration DateAugust 1, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1043227341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in TN · DS 003154
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
400 LABORATORY RD, Oak Ridge, TN 37830
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William S Lenihan Iii Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37830 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PAUL JEFFREY PHILLIPS D.D.S.
Dentist (General Practice)
400 LABORATORY RD, SUITE 101
OAK RIDGE, TN 37830
Anderson County (865) 483-7851
PREMIER DENTAL ASSOCIATES, PLLC
Dentist (General Practice)
400 LABORATORY RD, SUITE 107
OAK RIDGE, TN 37830
Anderson County (865) 483-1323
JAMES PETER RUYL DDS
Dentist
400 LABORATORY RD, SUITE # 105
OAK RIDGE, TN 37830
Anderson County (865) 482-2546
DANA RUST
Dentist
400 LABORATORY RD, SUITE 101
OAK RIDGE, TN 37830
Anderson County (865) 483-7851
DR. RICHARD GENE HALL DDS
Dentist (General Practice)
400 LABORATORY RD, SUITE 107
OAK RIDGE, TN 37830
Anderson County (865) 483-1323

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Lenihan's NPI number?

The NPI number for William Lenihan is 1043227341. It was assigned to this individual provider in the NPPES registry on August 1, 2006.

Where is William Lenihan located?

William Lenihan practices at 400 Laboratory Rd Suite 104, Oak Ridge, TN 37830. The listed phone number is (865) 482-1731.

What is William Lenihan's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is William Lenihan enrolled in Medicare?

Yes. William Lenihan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Lenihan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.